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1. |
In the free body diagrams involving the wedges we have use of vector math, so for two vectors A and B, what is A.B (if they have angle α between them)?a) |A||B| cosαb) |A||B|c) √(|A||B |
A. | |A||B| cosα |
B. | |A||B| |
C. | √(|A||B|) cosα |
D. | |A||B| sinα |
Answer» B. |A||B| | |